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GTX460 SLI Issue when Enabling/Disabling SLI

post #1 of 2
Thread Starter 
GPU Info
GPU: Palit Sonic GTX460 1GB x2
Incident Driver Version: 295.51 at the time of the incident
Current Driver Version: 285.62 (clean install as of an hour ago)
# of times the issue has occurred: 3 (at least two of the times was with the 295.51 drivers)
The issue appeared with the release of the new 290+ version drivers but I'm not sure if the drivers are at fault.

Monitor Setup
Planar 27" 1920x1080 via DVI on the bottom card
Acer X223WDbd 22" 1680x1050 via DVI on the bottom card
Westinghouse 40" LED LD-4080 via HDMI on the top card
I chose to plug my two main monitors into the bottom card because it evens out the temps.

Issue
I right click on my desktop and click on the "NVIDIA Control Panel".
I then click on "Configure SLI, PhysX, Surround".
Then I click on "Maximize 3D performance" to enable SLI or "Activate all displays" to disable SLI.
The screen then goes black (as expected) but doesn't change.
After ~3 seconds while the screen is still black I hear one or both of my GPU's fans kick up to 100%.
At this point I immediately hit the restart button on the front of my case.

After I choose to boot windows normally and log in only my main screen is detected and the resolution is very small.
When I right click on the desktop I no longer see "NVIDIA Control Panel".
When I right click on the desktop and click on "Screen resolution" only one of my displays is detected.
If I click on "Detect" nothing changes and only the first main display is recognized.
At this point I have to reinstall my graphics drivers.

Note
This issue does not happen every time that I enable / disable SLI.
Another thing that's been happening quite a lot recently is that even when SLI is successfully enabled / disabled the NVIDIA control panel brings up a notice that the program has crashed. It usually just restarts on its own right after though.

I've never heard of this issue happening to anyone else so any help that you guys can give me will be greatly appreciated and rep will be given.
Edited by roadlesstraveled - 2/11/12 at 3:37pm

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post #2 of 2
Thread Starter 
Yesterday while I was playing BF3 and hit Alt+Tab to look at another window my entire comp froze. My screen didn't go black and the fans didn't kick up but the system wasn't responsive.

Any help on these issues would be greatly appreciated.
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